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| author | Richard Biener <rguenther@suse.de> | 2020-11-26 10:07:06 +0100 |
|---|---|---|
| committer | Richard Biener <rguenther@suse.de> | 2020-11-26 10:07:06 +0100 |
| commit | 5b3a8fad18324cd38c221bdb0ae2b690fc82ede0 (patch) | |
| tree | 71fb1f24a37dd52af6396801eb6527a5565ccd2e | |
| parent | c0c7270cc4efd896fe99f8ad5409dbef089a407f (diff) | |
| download | gcc-5b3a8fad18324cd38c221bdb0ae2b690fc82ede0.zip gcc-5b3a8fad18324cd38c221bdb0ae2b690fc82ede0.tar.gz gcc-5b3a8fad18324cd38c221bdb0ae2b690fc82ede0.tar.bz2 | |
testsuite/98002 - fix gcc.dg/strncmp-2.c
This makes sure not to free() memory we have mprotected to PROT_NONE
by calling mprotect again with PROT_READ|PROT_WRITE. This avoids
crashing the allocator when in debug mode.
2020-11-16 Richard Biener <rguenther@suse.de>
PR testsuite/98002
* gcc.dg/strncmp-2.c: Call mprotect again before free.
| -rw-r--r-- | gcc/testsuite/gcc.dg/strncmp-2.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/strncmp-2.c b/gcc/testsuite/gcc.dg/strncmp-2.c index 6818b30..0d84f93 100644 --- a/gcc/testsuite/gcc.dg/strncmp-2.c +++ b/gcc/testsuite/gcc.dg/strncmp-2.c @@ -40,6 +40,7 @@ static void test_driver_strncmp (void (test_strncmp)(const char *, const char *, e = lib_memcmp(buf1,p2,sz); (*test_memcmp)(buf1,p2,e); } + mprotect (buf2+pgsz,pgsz,PROT_READ|PROT_WRITE); free(buf2); } |